晚侏罗纪,随着非洲陆块从北美陆块的分离,中间形成了一条狭窄的大洋,即是今天大西洋的中心。
In the Late Jurassic the Central Atlantic ocean was a narrow ocean separating Africa from eastern North America.
晚侏罗纪—早白垩世为拉张断陷盆地,第三纪以来为挤压坳陷盆地。
It was rift basin in Late Jurassic Early Creaceous and squeezed sag basin since Cenozoic.
区域地质构造解析结果表明,连云山花岗岩与晚三叠世—侏罗纪nne向会聚走滑断层动热变质—剪切重熔型岩浆作用有关。
The analyses of regional structures show that Lianyunshan granite is associated with dynamic metamorphism shear remelt magmatism of NNE trending convergent strike slip faulting during t 3-j.
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